[ https://issues.apache.org/jira/browse/MAPREDUCE-3384?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Brahma Reddy Battula updated MAPREDUCE-3384: -------------------------------------------- Attachment: MAPREDUCE-3384-005.patch > Add warning message for underflow or overflow > --------------------------------------------- > > Key: MAPREDUCE-3384 > URL: https://issues.apache.org/jira/browse/MAPREDUCE-3384 > Project: Hadoop Map/Reduce > Issue Type: Improvement > Reporter: JiangKai > Assignee: Brahma Reddy Battula > Attachments: MAPREDUCE-3384-002.patch, MAPREDUCE-3384-003.patch, > MAPREDUCE-3384-004.patch, MAPREDUCE-3384-005.patch, MAPREDUCE-3384.patch > > > When we call the function reduce() of LongSumReducer,the result may overflow > or underflow. > We should have a warning message to users if overflow/underflow occurs for > all these classes, > {code:xml} > /java/org/apache/hadoop/mapred/lib/LongSumReducer.java > .../apache/hadoop/mapreduce/lib/reduce/IntSumReducer.java > .../apache/hadoop/mapreduce/lib/reduce/LongSumReducer.java > .../test/java/org/apache/hadoop/fs/AccumulatingReducer.java > .../hadoop/mapred/nativetask/kvtest/HashSumReducer.java > {code} -- This message was sent by Atlassian JIRA (v6.3.4#6332)